Implementaciones en Hardware de técnicas de Radiogoniometría
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En este artículo se presenta una revisión bibliográfica y un análisis comparativo de implementaciones en hardware de técnicas de Radiogoniometría, también conocidas como Radio Direction Finding (RDF), que permiten identificar la mejor opción para implementar estas funcionalidad en actividades de gestión del espectro en países en vía de desarrollo. Dentro de las implementaciones tratadas se incluyen técnicas clásicas como Pseudo-Doppler y técnicas avanzadas de alta resolución como MUSIC. Se presentan diferentes alternativas de hardware para realizar las implementaciones las cuales incluyen SDR (Software Defined Radio), FPGA (Field Programmable Gate Array) y DSP (Digital Signal Processor); a la vez que se incluyen algunas configuraciones híbridas dónde se mezcla el software y el hardware con el fin de optimizar recursos de tiempo y dinero. Adicionalmente se muestran algunas aplicaciones comerciales que emplean técnicas de geolocalización basadas en información de ángulos de llegada, tiempos de llegada u otros parámetros que permiten realizar el proceso de triangulación o trilateración según sea el caso.
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